# 获取所有需点赞视频
def getBVs():
    with open('../视频号/BVs.txt', 'r') as f:
        bvs = f.readlines()
    BVs = []
    for bv in bvs:
        BVs.append(bv.strip())

    # 删除所有已经进入点赞列表的视频号
    with open('../视频号/BVs.txt', 'w') as f:
        f.write('')
    return BVs
